THESAURUS
flux and reflux
Lissajous figure, alternation, back-and-forth, coming and going, direct tide, ebb, ebb and flow, ebb tide, flood, flood tide, flow, flux, full tide, high tide, high water, low tide, low water, lunar tide, neap, neap tide, opposite tide, reciprocation, refluence, reflux, rhythmic play, rip, riptide, seesaw, seesawing, sine wave, solar tide, spring tide, teeter, teeter-totter, teeter-tottering, teetering, thalassometer, tidal amplitude, tidal current, tidal current chart, tidal flow, tidal range, tide, tide chart, tide gate, tide gauge, tide race, tide rip, tidewater, tideway, to-and-fro, tottering, ups and downs, wigwag
ROGET THESAURUS
flux and reflux
Oscillation
N
oscillation, vibration, libration, motion of a pendulum, nutation, undulation, pulsation, pulse, alternation, coming and going, ebb and flow,
flux and reflux, ups and down, fluctuation, vacillation, wave, vibratiuncle, swing, beat, shake, wag, seesaw, dance, lurch, dodge, logan, loggan, rocking-stone, vibroscope, oscillating, oscillatory, undulatory, pulsatory, libratory, rectilinear, vibratory, vibratile, pendulous, to and fro, up and down, backwards and forwards, hither and yon, seesaw, zigzag, wibble-wabble, in and out, from side to side, like buckets in a well.